Several AERIAL LSs over barges on Mackenzie River. AERIAL SHOT over town of Inuvik, TILT UP to forest, Mackenzie River winding to top of frame. Two level shots of barge on far side of Mackenzie River. Several shots of tundra in summer. Two shots of rocky tundra. MS of scrub trees at tree line, PAN of broken spruce forest. MSs of black spruce forest.